| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [vb past] [vb pp] from | 184 |
|
| 2 | [vb past] [vb pp] back from | 63 |
|
| 3 | [Wh pn] [vb past] [vb pp] back | 23 |
|
| 4 | [Wh pn] [vb past] back from | 7 |
|
